tenderlove/nokogiri — comment on commit 1e49158c09097f8dfe9e57c1030a49b6828f5f09
File:  line 0
By michaelklishin:

Same goes for jruby: both `jruby-18mode` and `jruby-19mode` are available and recommended. `jruby` and `rbx` aliases are there but `rbx-2.0` and `rbx-2.0.0pre` no longer make sense: Rubinius master has been 2.0 since October last year.